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Technical Data Sheet
LS-7721 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, time_delay: 0.005 SECONDS MAXIMUM FIXED OPERATE TIME, storage_type: GENERAL PURPOSE WAREHOUSE, cubic_measure: 0.136 CUBIC INCHES, overall_width: 0.410 INCHES MAXIMUM IN, overall_height: 0.410 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-01-218-5428, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LS-7721
NSN: 5945-01-218-5428
FSC: 5945
CAGE: 00779 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
time_delay0.005 SECONDS MAXIMUM FIXED OPERATE TIME
storage_typeGENERAL PURPOSE WAREHOUSE
coil_quantity1
cubic_measure0.136 CUBIC INCHES
overall_width0.410 INCHES MAXIMUM IN
overall_height0.410 INCHES MAXIMUM IN
overall_length0.810 INCHES MAXIMUM IN
fragility_factorMODERATELY RUGGED
winding_quantity1
arc_quenching_methodAIR
end_item_identificationCENTRAL DISPL
NSN5945-01-218-5428
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN LS-7721 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
CUBIC MEASURE: 0.136 CUBIC INCHES
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 750.0 MILLIAMPERES DC INDUCTIVE LOAD
WINDING DC RESISTANCE RATING: 254.0 OHMS NOMINAL SINGLE WINDING
STORAGE TYPE: GENERAL PURPOSE WAREHOUSE
ARC QUENCHING METHOD: AIR
NONPILE-UP MAIN CONTACT ARRANGEMENT: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
TIME DELAY: 0.005 SECONDS MAXIMUM FIXED OPERATE TIME
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP: 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
TECHNICAL CHARACTERISTICS (FLIS)
CUBIC MEASURE0.136 CUBIC INCHES
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE750.0 MILLIAMPERES DC INDUCTIVE LOAD
WINDING DC RESISTANCE RATING254.0 OHMS NOMINAL SINGLE WINDING
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
ARC QUENCHING METHODAIR
NONPILE-UP MAIN CONTACT ARRANGEMENT2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
TIME DELAY0.005 SECONDS MAXIMUM FIXED OPERATE TIME
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
END ITEM IDENTIFICATIONCENTRAL DISPL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
389915PC67Interchangeable
interchangeable cross-reference
interchangeable
E38933-4PC67Interchangeable
interchangeable cross-reference
interchangeable
533540ALTW1PC67Interchangeable
interchangeable cross-reference
interchangeable
4552Interchangeable
interchangeable cross-reference
interchangeable
4555Interchangeable
interchangeable cross-reference
interchangeable
8500180-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS-7721?
LS-7721 is a RELAY,ELECTROMAGNETIC.
What parts can replace LS-7721?
There are 11 known substitutes for LS-7721: 389915PC67, E38933-4PC67, 533540ALTW1PC67 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LS-7721?
LS-7721 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-01-218-5428. This indicates validated use in U.S. government and defense supply chains.
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